Why do we need a global seed vault? Worldwide, more than 1,700 genebanks hold collections of food crops for safekeeping, yet many of these are vulnerable, exposed not only to natural catastrophes and war, but also to avoidable disasters, such as lack of funding or...

Coming test flights will be a step toward passenger version MANASSAS, Virginia — Electra.aero believes the two-seat hybrid-electric demonstrator it unveiled here last night puts it on the path toward completing a nine-passenger commercial version in time to enter...